数字农科院2.0

Comparative Transcriptome Analysis Revealed Key Genes Regulating Gossypol Synthesis in Tetraploid Cultivated Cotton

文献类型： 外文期刊

作者： Linglei Kong;Shaoqi Li;Yuyuan Qian;Hailiang Cheng;Youping Zhang;Dongyun Zuo;Limin Lv;Qiaolian Wang;Junlan Li;Guoli Song

作者机构：

关键词： gossypol;pigment gland;tetraploid cultivated cotton;transcriptome;WGCNA

期刊名称： Genes

ISSN： 2073-4425

年卷期： 2023 年 14 卷 6 期

页码：

收录情况： SCIE（2023版）

摘要： Tetraploid cultivated cotton (Gossypium spp.) produces cottonseeds rich in protein and oil. Gossypol and related terpenoids, stored in the pigment glands of cottonseeds, are toxic to human beings and monogastric animals. However, a comprehensive understanding of the genetic basis of gossypol and gland formation is still lacking. We performed a comprehensive transcriptome analysis of four glanded versus two glandless tetraploid cultivars distributed in Gossypium hirsutum and Gossypium barbadense. A weighted gene co-expression network analysis (WGCNA) based on 431 common differentially expressed genes (DEGs) uncovered a candidate module that was strongly associated with the reduction in or disappearance of gossypol and pigment glands. Further, the co-expression network helped us to focus on 29 hub genes, which played key roles in the regulation of related genes in the candidate module. The present study contributes to our understanding of the genetic basis of gossypol and gland formation and serves as a rich potential source for breeding cotton cultivars with gossypol-rich plants and gossypol-free cottonseed, which is beneficial for improving food safety, environmental protection, and economic gains of tetraploid cultivated cotton.

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